I totally agree with you that it's idiotic to say that all the tools have been created. I think that all the obvious tools have been created and the challenge is now to find the new ones that we've always wanted but weren't previously able to build.
I-and I suspect everyone else reading YC News-can probably think of dozens of tools that I'd love to see (and if you're a reader you've probably thought about this too and are thinking of starting a company to build this tool).